View gallery Image Credit: Getty Images for Tribeca Film Fe Diane Keaton, recognized for her iconic on-screen performances in various films, died on October 11, 2025, at the age of 79. She is survived by her two children, Dexter and Duke. Her death appeared sudden to fans, most of whom wonder what happened to Keaton in her final days. Some weren't aware of her health history with skin cancer, which the late Oscar winner opened up about in the past. Below, Hollywood Life breaks down what we know about Diane's health and the last few months of her life.